<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        html {
            width: 100%;
            height: 100vh;
            background: -webkit-radial-gradient(top center, #213e70, #001d33);
            background: radial-gradient(top center, #213e70, #001d33);
            display: -webkit-box;
            display: -webkit-flex;
            display: -ms-flexbox;
            display: flex;
            -webkit-box-align: center;
            -webkit-align-items: center;
            -ms-flex-align: center;
            align-items: center;
            -webkit-box-pack: center;
            -webkit-justify-content: center;
            -ms-flex-pack: center;
            justify-content: center;
        }
        .ellipse {
            position: relative;
            width: 200px;
            height: 200px;
            background: #102d50;
            border-radius: 60%;
            border: 1px solid rgba(255, 255, 255, 0.35);
            box-shadow: 0px 0px 50px #1ac6fb;
        }
        .ellipse:before {
            content: '';
            position: absolute;
            top: 30%;
            left: 30%;
            -webkit-transform: translate(-50%, -50%);
            -ms-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
            width: 150px;
            height: 150px;
            background: #1bace6;
            border-radius: 60%;
            -webkit-filter: blur(50px);
            filter: blur(50px);
        }
        .ellipse:after {
            content: '';
            position: absolute;
            top: 70%;
            left: 70%;
            -webkit-transform: translate(-50%, -50%);
            -ms-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
            width: 100px;
            height: 100px;
            background: #1f69c6;
            border-radius: 60%;
            -webkit-filter: blur(80px);
            filter: blur(80px);
        }
    </style>
</head>
<body>
<div class="ellipse"></div>
</body>
</html>